蜂窝车联网: PC5 边链路近场通信与 Uu 广域蜂窝网络协同调度

Cellular-V2X 深度阐明智能汽车双模通信架构，全面贯通 Rel-14/15 LTE-V2X 与 Rel-16/17 5G NR 侧行链路及毫米波频段。

直连侧行链路速度与全国蜂窝网络覆盖的结合

C-V2X 建立了一种混合范式：直连 PC5 侧行链路为安全关键型碰撞规避提供低于 10 毫秒的延迟，而蜂窝 Uu 接口则将车辆连接至交通管理中心。

Core Engineering Areas

• PC5 Sidelink PHY and MAC Layer — Technical evaluation of SC-FDMA, DMRS reference patterns, and semi-persistent scheduling on the 5.9 GHz PC5 band.
• Cellular Uu & Network Slicing — Architecting dedicated 5G network slices for teleoperated driving, hazard warnings, and high-definition map updates.
• C-V2X Modem & RF Front-End — Hardware engineering for 5.9 GHz automotive modems, power amplifiers, and GNSS timing precision.

Technical Articles

• The Evolutionary Path: From LTE Rel-14 V2X to 5G NR Rel-16 and Rel-17
• C-V2X Interoperability Testing: Omniair, GCF, and 3GPP Test Suites

Related Cluster Architecture Specifications

• AutomotiveV2X — Connected Vehicle-to-Everything & Cooperative ITS Architecture
• NRV2X — 5G NR V2X Sidelink, Sub-Millisecond Latency & High-Rate Sensor Sharing
• ISACV2X — Integrated Sensing and Communication (ISAC) for Automotive V2X
• QuantumV2X — Post-Quantum Cryptography (PQC) & Quantum-Resistant V2X Security